Machado Coelho, Ivan de Almeida, Rafael Abrahão, e Simone Mirtes Araújo Duarte. 2016. “Use of Geotechnology in Analysis of Forest Biomass in the State of Paraiba”. Revista Geama 2 (4):407-16. https://www.journals.ufrpe.br/index.php/geama/article/view/1017.